1. Luu Nguyen Nam Hai, Do Tam Hien ; Simplify models of the key elements in the frame further to an impact leading to the load of a column; Transactions of the VSB – Technical University of Ostrava, Civil Engineering Series (Journal Paper).

4. Luu Nguyen Nam Hai, Do Tam Hien ; Simplify models of the key elements in the frame further to an impact leading to the load of a column; Transactions of the VSB – Technical University of Ostrava, Civil Engineering Series.